Trail of Bits' Buttercup wins 2nd place in AIxCC Challenge
blog.trailofbits.com | blog | #ai-security | #llm | #vulnerability-discovery | #darpa | #automated-patching | #trail-of-bits | #aixcc | #buttercup
Summary
Trail of Bits won the $3M runner-up prize at DARPA's AI Cyber Challenge (AIxCC), with Buttercup finding 28 vulnerabilities and applying 19 patches across 20 CWEs using only non-reasoning LLMs.
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--- id: 1354 title: "Trail of Bits' Buttercup wins 2nd place in AIxCC Challenge" source_domain: blog.trailofbits.com source_url: "https://blog.trailofbits.com/2025/08/09/trail-of-bits-buttercup-wins-2nd-place-in-aixcc-challenge/" published_at: "2025-08-09 14:30" tags: ["ai-security", "llm", "vulnerability-discovery", "darpa", "automated-patching", "trail-of-bits", "aixcc", "buttercup"] phying_url: "https://phying.com/item/1354" lang: en --- # Trail of Bits' Buttercup wins 2nd place in AIxCC Challenge ## Summary Trail of Bits won the $3M runner-up prize at DARPA's AI Cyber Challenge (AIxCC), with Buttercup finding 28 vulnerabilities and applying 19 patches across 20 CWEs using only non-reasoning LLMs. ## Intelligence Metadata - **Sources:** blog.trailofbits.com - **Published:** 2025-08-09 14:30 - **Original:** https://blog.trailofbits.com/2025/08/09/trail-of-bits-buttercup-wins-2nd-place-in-aixcc-challenge/ - **Phying News:** https://phying.com/item/1354